Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Precision 3630 Tower System BIOS

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices.
To view all drivers for your Precision 3630 XL Tower, go to Drivers and downloads.
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Precision_3630_2.28.0.exe | 27.23 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: Precision_3630_2.28.0.exe
File Size: 27.23 MB
Format Description
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
bf95b55dc29ec9b92881ce21894cb2ef
SHA1:
574d02f8f79bc0d4d69029502ce90b3930ce323f
SHA-256:
b52c3ce6def85be2fb74d829e47745408aad98646f21013dae042436199025a1

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Improved the stability of the system.
Read More

Version

2.28.0, 2.28.0

Release date

09 May 2024

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
View Important Information

File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 27.23 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
To ensure the integrity of your download, please verify the checksum value.
MD5:
bf95b55dc29ec9b92881ce21894cb2ef
SHA1:
574d02f8f79bc0d4d69029502ce90b3930ce323f
SHA-256:
b52c3ce6def85be2fb74d829e47745408aad98646f21013dae042436199025a1

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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- If your system BIOS version is earlier than 2.1.2, ensure that you update the BIOS to version 2.5.0 before updating to this version.
- Once the BIOS is upgraded, you cannot downgrade the BIOS to versions earlier than 2.23.0. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
2.27.010 Apr 2024
2.26.005 Feb 2024
2.25.015 Dec 2023
2.24.015 Nov 2023
2.23.009 Aug 2023
2.22.220 Jun 2023
2.21.013 Apr 2023
2.20.010 Mar 2023
2.19.010 Jan 2023
2.15.008 Aug 2022
2.14.116 Jun 2022
2.13.028 Apr 2022
2.12.013 Jan 2022
2.11.011 Nov 2021
2.10.001 Sept 2021
2.9.119 Jul 2021
2.8.013 May 2021
2.7.018 Nov 2020
2.6.129 Jul 2020
2.5.015 May 2020
2.3.011 Mar 2020
2.4.205 Dec 2019
2.1.207 Aug 2019
2.2.007 Aug 2019
1.1.1028 Mar 2019
1.1.608 Jan 2019
1.1.523 Nov 2018
Dell Precision 3630 BIOS
Dell Precision 3630XLT BIOS
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the file.
5. Click Yes to open the BIOS update utility.
6. Click Update to initiate the update process. A progress bar is displayed.
7. Click Restart to restart the system once the progress bar reaches 100%.
The update process initiates at the Dell logo and an update initiation message is displayed with a progress bar. After the update finishes, the system automatically restarts.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click OK.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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